6.8
MEDIUM
CVE-2022-20731
Cisco Catalyst Micro Switch and Catalyst Digital Building Series Boot- time Persistent Denial of Service
Description

Multiple vulnerabilities that affect Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches could allow an attacker to execute persistent code at boot time or to permanently prevent the device from booting, resulting in a permanent denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.

INFO

Published Date :

April 15, 2022, 3:15 p.m.

Last Modified :

Nov. 7, 2023, 3:42 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.9
Public PoC/Exploit Available at Github

CVE-2022-20731 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2022-20731 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco catalyst_digital_building_series_switches_firmware
2 Cisco ios_rommon
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-20731.

URL Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

test 反向辣鸡数据投放 CVE-2022-23305 工具 利用 教程 Exploit POC

cve-2020-

Updated: 2 years ago
5 stars 2 fork 2 watcher
Born at : Jan. 21, 2022, 5:07 a.m. This repo has been linked 2608 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-20731 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-20731 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 Cisco Systems, Inc. AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 Cisco Systems, Inc. AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Initial Analysis by [email protected]

    May. 16, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb Vendor Advisory
    Added CWE NIST CWE-665
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:catalyst_digital_building_series_switches_firmware:*:*:*:*:*:*:*:* versions up to (including) 15.2\(7\)e *cpe:2.3:o:cisco:ios_rommon:-:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:catalyst_digital_building_series_switches:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-20731 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-20731 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.00%

score

0.24781

percentile

CVSS31 - Vulnerability Scoring System
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